Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stanislav StrizikfiledCriticalStanislav Strizik
Priority to CS881527ApriorityCriticalpatent/CS267747B1/cs
Publication of CS152788A1publicationCriticalpatent/CS152788A1/cs
Publication of CS267747B1publicationCriticalpatent/CS267747B1/cs